3,6-Dihydroxy-2-methoxy-5-(trifluoromethoxy)pyridine
2,4-Diiodo-3-(trifluoromethoxy)pyridine-6-acetonitrile
4-Chloro-2,5-diiodo-3-(trifluoromethoxy)pyridine
2,3-Diiodo-6-(trifluoromethoxy)pyridine-4-acetonitrile
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